#menumain_dolphin{
   margin:0;
   white-space:nowrap;
   overflow:hidden;
   height:69px;
   background:url(../images/menubg.jpg) 0px 0px repeat-x;
}

#menumain_dolphin .mainmenuiner {
    height:69px;
	padding-left:80px;
    line-height:69px;
    overflow: hidden;
    margin:0px; 
}
#menumain_dolphin  li{
display:inline;
}
#menumain_dolphin a.menumain_dolphin:link,#menumain_dolphin a.menumain_dolphin:active,#menumain_dolphin a.menumain_dolphin:visited{
   display:block;
   float:left;
   height:69px;
   text-decoration: none;
   text-align:center;
   width:106px;
   color:#fff;
   font:14px/75px 'SimSun',Arial,Sans-Serif;
   margin:0px;
}

#menumain_dolphin a.menumain_dolphin:hover{
   display:block;
   float:left;
   height:69px;
   color:#fff; 
   text-decoration: none;
   text-align:center;
   width:106px;
   font:14px/75px 'SimSun',Arial,Sans-Serif;
   margin:0px;
   background:url(../images/menunow.jpg) 0px 0px no-repeat;
} 